NA 176
DIN Standards Committee Health Technologies
DIN ISO 21881 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| ISO 3951-4 | 2011-08 | Sampling procedures for inspection by variables - Part 4: Procedures for assessment of declared quality levels More |
| ISO 3951-5 | 2006-03 | Sampling procedures for inspection by variables - Part 5: Sequential sampling plans indexed by acceptance quality limit (AQL) for inspection by variables (known standard deviation) More |
| ISO 7000 ; ISO 7000-DB:2019-07 | 2019-07 | Graphical symbols for use on equipment - Registered symbols More |
